DK0776088T3 - Forstærkerudgangstrin - Google Patents

Forstærkerudgangstrin

Info

Publication number
DK0776088T3
DK0776088T3 DK97101192T DK97101192T DK0776088T3 DK 0776088 T3 DK0776088 T3 DK 0776088T3 DK 97101192 T DK97101192 T DK 97101192T DK 97101192 T DK97101192 T DK 97101192T DK 0776088 T3 DK0776088 T3 DK 0776088T3
Authority
DK
Denmark
Prior art keywords
output stage
amplifier output
amplifier
stage
output
Prior art date
Application number
DK97101192T
Other languages
Danish (da)
English (en)
Inventor
David P Mccorkle
Original Assignee
Harman Int Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harman Int Ind filed Critical Harman Int Ind
Application granted granted Critical
Publication of DK0776088T3 publication Critical patent/DK0776088T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DK97101192T 1992-02-18 1993-02-15 Forstærkerudgangstrin DK0776088T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/837,166 US5160896A (en) 1992-02-18 1992-02-18 Class D amplifier

Publications (1)

Publication Number Publication Date
DK0776088T3 true DK0776088T3 (da) 2001-09-24

Family

ID=25273699

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97101192T DK0776088T3 (da) 1992-02-18 1993-02-15 Forstærkerudgangstrin

Country Status (5)

Country Link
US (1) US5160896A (enrdf_load_stackoverflow)
EP (2) EP0557032B1 (enrdf_load_stackoverflow)
JP (2) JP3366677B2 (enrdf_load_stackoverflow)
DE (2) DE69318054T2 (enrdf_load_stackoverflow)
DK (1) DK0776088T3 (enrdf_load_stackoverflow)

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FR2743226B1 (fr) * 1995-12-27 1998-03-20 Sgs Thomson Microelectronics Dispositif adaptatif a l'impedance d'une ligne d'alimentation
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US5973368A (en) * 1996-06-05 1999-10-26 Pearce; Lawrence G. Monolithic class D amplifier
US5767740A (en) * 1996-09-27 1998-06-16 Harris Corporation Switching amplifier closed loop dual comparator modulation technique
US5963086A (en) * 1997-08-08 1999-10-05 Velodyne Acoustics, Inc. Class D amplifier with switching control
DE69818631T2 (de) * 1997-08-12 2004-08-12 Koninklijke Philips Electronics N.V. Verstärkungsanordnung für digitale signale
JP3550022B2 (ja) * 1998-04-30 2004-08-04 松下電器産業株式会社 Ｄ級増幅器を使用したシステム
US6107875A (en) * 1998-10-15 2000-08-22 Intersil Corporation Variable frequency class D modulator with built in soft clipping and frequency limiting
US6587670B1 (en) 1998-12-22 2003-07-01 Harris Corporation Dual mode class D amplifiers
NL1011002C2 (nl) 1999-01-12 2000-07-20 Univ Eindhoven Tech Versterkerschakeling.
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US6304137B1 (en) * 1999-12-23 2001-10-16 Red Chip Company Limited Output stage for high power class D amplifiers
US6441685B1 (en) 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto
ATE412266T1 (de) 2000-05-25 2008-11-15 Nxp Bv Demodulationsfilter
DE60131972T2 (de) * 2000-05-25 2008-12-04 Nxp B.V. Störfreie einschaltung
JP2003046345A (ja) * 2001-07-27 2003-02-14 Sony Corp パワーアンプ装置
CN1195353C (zh) * 2001-12-03 2005-03-30 方虎堂 脉冲面积调制数字功率处理方法及装置
PL198380B1 (pl) * 2002-01-21 2008-06-30 Adb Polska Sp Wzmacniacz elektroakustyczny klasy D i sposób kompensacji wpływu napięcia zasilającego na wyjściowy sygnał użyteczny we wzmacniaczu elekroakustycznym klasy D
JP3499235B1 (ja) * 2002-08-28 2004-02-23 株式会社フライングモール スイッチング回路及びディジタル電力増幅器
WO2006047821A1 (en) * 2004-11-03 2006-05-11 Bhc Consulting Pty Ltd Amplifier switching output stage with low distortion
EP1657815A1 (en) * 2004-11-12 2006-05-17 Dialog Semiconductor GmbH Frequency stabilization technique for self oscillating modulator
US20060181346A1 (en) * 2005-02-16 2006-08-17 Nguyen Tranh T Constant frequency self-oscillating amplifier
KR100617960B1 (ko) 2005-02-24 2006-08-30 삼성전자주식회사 자가 발진형 펄스 폭 변조회로 및 펄스 폭 변조 방법
CN101160717A (zh) * 2005-04-15 2008-04-09 皇家飞利浦电子股份有限公司 D类放大器
CN101010873A (zh) * 2005-06-10 2007-08-01 罗姆股份有限公司 音频信号放大电路及使用它的电子设备
US8050418B2 (en) * 2005-07-07 2011-11-01 Harman International Industries, Incorporated Update system for an audio amplifier
US7262658B2 (en) * 2005-07-29 2007-08-28 Texas Instruments Incorporated Class-D amplifier system
DE102005044710B4 (de) * 2005-09-19 2011-07-07 Conta GmbH, 45663 Rückkopplungskorrektur für Schaltverstärker sowie eine Verwendung
US7400191B2 (en) 2006-04-07 2008-07-15 Manuel De Jesus Rodriguez Switching power amplifier
JP4878227B2 (ja) * 2006-06-27 2012-02-15 旭化成エレクトロニクス株式会社 Ｐｗｍ回路
US7705672B1 (en) 2007-02-12 2010-04-27 Manuel De Jesus Rodriguez Buck converters as power amplifier
JP4932573B2 (ja) * 2007-04-09 2012-05-16 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 オーディオ再生装置
JP5065398B2 (ja) * 2007-05-07 2012-10-31 ハーマン インターナショナル インダストリーズ インコーポレイテッド 自動ゼロ電圧スイッチングモードコントローラ
DE102008057234A1 (de) 2007-12-14 2009-06-25 Jens Kurrat Aktivlautsprecher
EP2096753B1 (en) * 2008-02-29 2011-11-30 STMicroelectronics (Grenoble) SAS Switching amplifier
US8731120B1 (en) * 2011-04-08 2014-05-20 Cameron M. Pike Feedback-controlled biased inverting limiter for RFI suppression
US8410851B1 (en) 2011-09-12 2013-04-02 Wen-Hsiung Hsieh Switching amplifier with an inductor
US8228118B1 (en) 2011-09-17 2012-07-24 Wen-Hsiung Hsieh Switching amplifier using capacitor for transmitting energy
US8212613B1 (en) 2011-09-21 2012-07-03 Wen-Hsiung Hsieh Switching amplifier using flyback transformer
US8451057B2 (en) 2011-11-02 2013-05-28 Wen-Hsiung Hsieh Switching amplifier using inductor current feedback
JP6044269B2 (ja) 2011-11-04 2016-12-14 ヤマハ株式会社 自励発振型ｄ級アンプおよび自励発振型ｄ級アンプの自励発振周波数制御方法
US9602067B2 (en) 2011-11-15 2017-03-21 Wen-Hsiung Hsieh Switching amplifier with pulsed current supply
US8416020B1 (en) 2011-11-20 2013-04-09 Wen-Hsiung Hsieh Switching amplifier and switching amplifying method
US8432221B1 (en) 2011-11-27 2013-04-30 Wen-Hsiung Hsieh Switching amplifying method and switching amplifier
US8525587B2 (en) 2011-12-04 2013-09-03 Wen-Hsiung Hsieh Switching amplifier with inductance means for transmitting energy
JP2013207534A (ja) * 2012-03-28 2013-10-07 Pioneer Electronic Corp マルチチャンネルアンプ、マルチチャンネルアンプの制御方法およびプログラム
US8760230B2 (en) 2012-06-28 2014-06-24 Wen-Hsiung Hsieh Switching amplifier with pulsed current source and sink
CN104348451A (zh) * 2013-09-29 2015-02-11 深圳市伟创电气有限公司 迟滞性窗口比较器电路
US9876422B2 (en) * 2014-02-17 2018-01-23 Trw Automotive U.S. Llc RF noise reduction in switching mode power supplies
US10833638B2 (en) * 2017-12-29 2020-11-10 Verily Life Sciences Llc High-efficiency power amplifier system for wireless power transmitters
US10481193B2 (en) * 2018-02-02 2019-11-19 Texas Instruments Incorporated Programmable load transient circuit

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US3294981A (en) * 1962-08-15 1966-12-27 Bose Corp Signal translation employing two-state techniques
US4456872A (en) * 1969-10-27 1984-06-26 Bose Corporation Current controlled two-state modulation
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NL8203428A (nl) * 1982-09-02 1984-04-02 Philips Nv Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal.
JPS5967719A (ja) * 1982-10-09 1984-04-17 Nippon Gakki Seizo Kk パルス幅変調回路
US4602166A (en) * 1983-05-19 1986-07-22 Steve Smith Transformer driving network with primary current limiting means
US4550359A (en) * 1984-02-10 1985-10-29 Honeywell Inc. Voltage transient protection circuit for MOSFET power transistors
US4775841A (en) * 1986-06-03 1988-10-04 Trofimenkoff F N Voltage to frequency conversion circuit with a pulse width to period ratio proportional to input voltage
DE4007564A1 (de) * 1990-03-09 1991-09-12 Siemens Ag Leistungsverstaerker zur speisung induktiver lasten mit mos-feldeffekttransistoren

Also Published As

Publication number Publication date
JP3519723B2 (ja) 2004-04-19
EP0557032B1 (en) 1998-04-22
DE69330355T2 (de) 2001-09-20
EP0776088A3 (en) 1997-08-06
DE69318054T2 (de) 1998-08-13
JP3366677B2 (ja) 2003-01-14
EP0776088A2 (en) 1997-05-28
JPH06216664A (ja) 1994-08-05
DE69318054D1 (de) 1998-05-28
US5160896A (en) 1992-11-03
DE69330355D1 (de) 2001-07-19
EP0776088B1 (en) 2001-06-13
EP0557032A3 (enrdf_load_stackoverflow) 1994-01-05
JP2003078363A (ja) 2003-03-14
EP0557032A2 (en) 1993-08-25

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